203323133103 has 16 divisors (see below), whose sum is σ = 273782186496. Its totient is φ = 134206924320.

The previous prime is 203323133099. The next prime is 203323133119. The reversal of 203323133103 is 301331323302.

It is not a de Polignac number, because 203323133103 - 2² = 203323133099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203323133803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617601 + ... + 1738757.

It is an arithmetic number, because the mean of its divisors is an integer number (17111386656).

Almost surely, 2^203323133103 is an apocalyptic number.

203323133103 is a deficient number, since it is larger than the sum of its proper divisors (70459053393).

203323133103 is a wasteful number, since it uses less digits than its factorization.

203323133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126694.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 203323133103 its reverse (301331323302), we get a palindrome (504654456405).

The spelling of 203323133103 in words is "two hundred three billion, three hundred twenty-three million, one hundred thirty-three thousand, one hundred three".